Puff pastry (from Trader Joe's) comes in frozen flat sheets. It's easy to work with, has that perfect flakey texture, and even tastes great alone. Here's some tips on how to use it for quickie appetizers. (In college my friend Maggie would wrap gouda slices in Pillsbury crescent rolls, delish! I'm going to sub the tubed dough for Puff and see if I can recreate the treats.)